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How to read the Histogram. A histogram is a graphical representation of the pixels exposed in your image. The left side of the graph represents the blacks or shadows, the right side represents the highlights or bright areas and the middle section is mid-tones (middle or 18% grey).
Under bright light your image will look underexposed, in a dark environment your image may look good or even overexposed only to find out that it was underexposed when you open it up on your computer. The histogram is the best way to tell what you image will look like when you go back home.It takes a while to understand how it works but after that itâs really easy. The histogram is the visual representation of the tonal values found in your image.There is no such a thing as right or wrong for a better image that works for all the pictures. If you photograph a black wall your histogram should only have a peak on the left side and nothing else.heck the Histogram interpretation â A âskewed rightâ distribution is one in which the tail is on the right side. I donât know what the correct definition of skewness is, but when discussing histograms, it is correct to say, skewed right is a tail going to the right side.